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The fuse rating is expressed in terms of

kVA
current
VAR
voltage

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A.C. network analyzer is used to solve problems of

Load flow, short-circuit and stability
Load flow and stability
Load flow
Load flow and short-circuit

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The current rating of a fuse is 5A. The fusing current will be

5 A
1 A
more than 5A
2.5 A

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The contacts of high voltage switches used in power system are submerged in oil. The main purpose of the oil is to

All of these
lubricate the contacts
extinguish the arc
insulate the contacts from switch body
None of these

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series reactors should have

low resistance
high resistance
high impedance
low impedance

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For which of the following protection from negative sequence currents is provided ?

Transmission line
Motors
Generators
Transformers

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